NCFE Physical Science Practice

Front

The graph below shows the movement of an object at several points in time. What is the average speed of the object?

Back

2 meters/minute

Front

The graph below shows the distance a student walks down a hall over time. During which time interval were they moving the fastest? Options: A, B, C, D

Back

D

Front

A person starts driving and travels 3 km east to the store, then 1 km west to another store, and finally 2 km west back home. What distance have they traveled?

Back

6 km

Front

Graph to predict velocity of a car traveling at a constant rate: A, B, C, D

Back

B

Front

An airplane went from 120 m/s to 180 m/s in 4.0 seconds. What was its acceleration?

Back

15 m/s²

Front

What law best explains why a driver's body lurches forward when brakes are suddenly applied?

Back

Newton's 1st Law

Front

Four students push a block of wood with the forces shown in the diagram. Assume friction is negligible. The block slides horizontally. What is the net force acting on the block of wood?

Back

11 N to the right

Front

A car travels from A to B at a constant rate of 100 km/hr. Which of the following changes? Options: speed, velocity, frame of reference, speed and velocity

Back

velocity

Front

During a science demonstration, a teacher pushed cubes of different masses with different amounts of force. Which diagram shows the cube that will move most rapidly?

Back

C

Front

A high diver steps off a diving platform that is 10 meters above the water. If no air resistance is present, during the fall there will be a decrease in the diver's:

• gravitational potential energy (GPE)
• kinetic energy (KE)
• total mechanical energy
• momentum

Back

gravitational potential energy (GPE)